"He seems like he's very interested in music already. The other night he was having a fit screaming, and someone turns on the music and he just stops and calms down. And I was exactly the same way as a baby," she continued. "Sometimes when he cries, I try to harmonize!"

And the proud mom said he's also displaying some amazing abilities at a very young age.

"He's a very rare newborn," Jennifer explained. "He tries a lot – he's turning over, he's lifting up his own head, he tries to hold his own bottle, sometimes I swear he's talking to me, or at least trying to. The other day he said, 'Hi!' – I swear, I'm not crazy. David was there too, and he was like, 'He just said, "Hi!" ' He's very aware."

When asked about her own mother, who tragically killed in October 2008, along with her brother, the Oscar winner explained that her mom is influential when it comes to how she parents.

"I think she was a great example of being a mother, so when [my son] first got home, I was like, 'Everything I do will be out of love,'" she said. "That's what drives me in the middle of the night when I'm knocked out sleeping and he wakes up."

But looking ahead, Jennifer said she's excited to spend the upcoming holidays with her newborn. "It's going to be ridiculous. I can't wait," the proud mom told the mag. "His dad went and bought him some Halloween stuff the other night. I wish he was older so he could remember it, but this is the first one, so I have to go all out. It's going to be great."